Win32/Autoit.OLZ information

The Win32/Autoit.OLZ is considered dangerous by lots of security experts. When this infection is active, you may notice unwanted processes in Task Manager list. In this case, it is adviced to scan your computer with GridinSoft Anti-Malware.

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What Win32/Autoit.OLZ virus can do?

• SetUnhandledExceptionFilter detected (possible anti-debug)
• Behavioural detection: Executable code extraction – unpacking
• Executed a command line with /C or /R argument to terminate command shell on completion which can be used to hide execution
• Yara rule detections observed from a process memory dump/dropped files/CAPE
• Creates RWX memory
• Guard pages use detected – possible anti-debugging.
• Dynamic (imported) function loading detected
• CAPE extracted potentially suspicious content
• Drops a binary and executes it
• The binary contains an unknown PE section name indicative of packing
• The binary likely contains encrypted or compressed data.
• The executable is compressed using UPX
• Authenticode signature is invalid
• A scripting utility was executed
• Uses Windows utilities for basic functionality
• Deletes its original binary from disk
• Collects and encrypts information about the computer likely to send to C2 server
• Installs itself for autorun at Windows startup
• Creates a copy of itself
• Attempts to disable Windows Defender
• Attempts to modify Windows Defender using PowerShell
• Collects information to fingerprint the system
• Uses suspicious command line tools or Windows utilities

How to determine Win32/Autoit.OLZ?

File Info:
name: 815E9E813D0F08F56AE7.mlw
path: /opt/CAPEv2/storage/binaries/15ed03302ece14b2d2d51914e6a150bda682fcbe0a0c16540ab8768c40d5c06f
crc32: 2237A99F
md5: 815e9e813d0f08f56ae76b5db8cadd3a
sha1: c0ac0d89fe0b475a981c51cc48ccfb27d1a5cb7f
sha256: 15ed03302ece14b2d2d51914e6a150bda682fcbe0a0c16540ab8768c40d5c06f
sha512: 5fdbe77203a3455b0ed450f09ca5f6e467fc0ef9d4f96e539663e97dbdc039d1cc6a1a36c7ebca0e8b5463dd655548c7b5f76e845e076686099a7bd8d8c13d33
ssdeep: 12288:iu/osQMgL96w0SVvV6fcaubLH31O2lxvdJGtKc9s9t2vDtFwTn:iur9gkEPGcHHX1OSr/cWt2bM
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T193A4125148E0DCBAD19AA3B0C4B6AE9499212831DFC67B18D794D12FF835393E257F0E
sha3_384: 4e123b90aee9e7de2f73c5bae9c65a13bb04d42d164df96b014063f0b950cf181c212f0a6ecb57ef262bb2d1fee9e1b8
ep_bytes: 60be006048008dbe00b0f7ff57eb0b90
timestamp: 2022-05-01 14:25:37

Version Info:
Translation: 0x0809 0x04b0

Win32/Autoit.OLZ also known as:

How to remove Win32/Autoit.OLZ?

• Download and install GridinSoft Anti-Malware.
• Open GridinSoft Anti-Malware and perform a “Standard scan“.
• “Move to quarantine” all items.
• Open “Tools” tab – Press “Reset Browser Settings“.
• Select proper browser and options – Click “Reset”.
• Restart your computer.